hoping the newspaper scandal that has consumed britain doesn't envelope his american interests. as owner of the "wall street journal" and more. now an fbi probe is officially under way looking into whether murdoch employees maid investigators to hack into the voice mails of 9/11 victims. this as the directors of news corp. beginning hiring former u.s. attorney mary jo white and former attorney general michael mukasey. >> it's hard to know what kind of jeopardy they are in because we don't know all of the facts. in connection with any bribes that were paid in england. >> reporter: here in england, the ever expanding list of influential figures who have either resigned, been arrested or forced to answer questions now includes the prime minister. david cameron. >> order! >> reporter: he cut short a diplomatic trip to africa so he could say during an emergency session of parliament that he is sorry. >> you live and you learn and believe you, me, i have learned. >> reporter: he was talking about his once close, now toxic ties to a former editor of the "news of the world" andy coulson